On Thu, Sep 27, 2012 at 6:02 PM, Alfredo Esteban [off-list ref] wrote:

Hello,

I'm sending a patch to show progress of btrfs-convert command. I put a
progress bar in the only heavy process: the btrfs metadata creation
(due to CRC calculation):

Please include patches inline in the email, not as an attachment.

quoted

./btrfs-convert /dev/loop1

Creating btrfs metadata [================================================] 100%
Creating ext2fs image file... [DONE]
Cleaning up system chunk... [DONE]
Conversion complete.

I just used "\r". I think it is a simple but effective approach
without ncurses either other dependencies.

There should probably be some way to disable the progress bar (ideally
defaulting to a istty check) so that log files don't capture hundreds
if not thousands of lines of "[========          ]".